Base | Representation |
---|---|
bin | 111010111000… |
… | …1101100110001 |
3 | 2011002120201221 |
4 | 1311301230301 |
5 | 30400440132 |
6 | 3021425041 |
7 | 523266610 |
oct | 165615461 |
9 | 64076657 |
10 | 30874417 |
11 | 16478452 |
12 | a40b181 |
13 | 651ccb2 |
14 | 4159877 |
15 | 2a9ce97 |
hex | 1d71b31 |
30874417 has 4 divisors (see below), whose sum is σ = 35285056. Its totient is φ = 26463780.
The previous prime is 30874409. The next prime is 30874429. The reversal of 30874417 is 71447803.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 30874417 - 23 = 30874409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30874117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205309 + ... + 2205322.
It is an arithmetic number, because the mean of its divisors is an integer number (8821264).
Almost surely, 230874417 is an apocalyptic number.
It is an amenable number.
30874417 is a deficient number, since it is larger than the sum of its proper divisors (4410639).
30874417 is an equidigital number, since it uses as much as digits as its factorization.
30874417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4410638.
The product of its (nonzero) digits is 18816, while the sum is 34.
The square root of 30874417 is about 5556.4752316554. The cubic root of 30874417 is about 313.7132932724.
The spelling of 30874417 in words is "thirty million, eight hundred seventy-four thousand, four hundred seventeen".
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